Blender Python Project Image from Camera

Project.py

import bpy
import os

def project_image_from_camera(image_path, camera_name):
    # Validate image path
    if not os.path.isfile(image_path):
        print(f"Image not found: {image_path}")
        return

    # Load image if not already loaded
    image_name = os.path.basename(image_path)
    image = bpy.data.images.get(image_name)
    if not image:
        image = bpy.data.images.load(image_path)

    # Get camera
    camera = bpy.data.objects.get(camera_name)
    if not camera or camera.type != 'CAMERA':
        print(f"Camera '{camera_name}' not found or not a camera.")
        return

    # Set the scene camera
    bpy.context.scene.camera = camera

    # Get the active object (must be selected and in Texture Paint mode)
    obj = bpy.context.active_object
    if obj is None or obj.type != 'MESH':
        print("No active mesh object selected.")
        return

    # Switch to Texture Paint mode
    bpy.ops.object.mode_set(mode='TEXTURE_PAINT')

    # Ensure the object has an image texture to paint on
    mat = obj.active_material
    if not mat:
        mat = bpy.data.materials.new(name="ProjectionMaterial")
        obj.data.materials.append(mat)
        obj.active_material = mat

    if not mat.use_nodes:
        mat.use_nodes = True

    nodes = mat.node_tree.nodes
    links = mat.node_tree.links

    # Check for existing Image Texture node or create one
    img_node = None
    for node in nodes:
        if node.type == 'TEX_IMAGE' and node.image == image:
            img_node = node
            break

    if not img_node:
        img_node = nodes.new(type='ShaderNodeTexImage')
        img_node.image = image
        img_node.interpolation = 'Linear'

    # Set the image as active for painting
    bpy.ops.paint.project_image(image=image.name)